import java.lang.reflect.Array;
import java.util.*;

public class Test1 {
    public static void main(String[] args) {
        List<List<Integer> > list = new ArrayList<>();
        ArrayList<Integer> list1 = new ArrayList<>();
         ArrayList<Integer> arrayList = new ArrayList<>(Arrays.asList(1,2));
        System.out.println(arrayList);
    }
}
